** Summary changed:

- No more sound after upgrade 18.04->20.04
+ [ThinkPad Helix 2nd] No more sound after upgrade 18.04->20.04

** Also affects: alsa-driver (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1898023

Title:
  [ThinkPad Helix 2nd] No more sound after upgrade 18.04->20.04

Status in alsa-driver package in Ubuntu:
  New
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  (title says it in principle:)

  Upgraded from 18.04 to 20.04 yesterday. Now my sound is mum. It is
  kind of visible, but not as speakers in the tablet part of my
  convertible. So when removing the tablet from the dock, there is no
  sound. Shouldn't be a hardware problem, since W10 (dual-boot) plays
  musics.

  (The files are with dock attached, since the tablet on its own has -
  and that's a bug of *buntu - no right click. So the 'USB ....' shown
  as audio device is the device in the keyboard dock.)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: pulseaudio 1:13.99.1-1ubuntu3.6
  ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  udippel    1580 F.... pulseaudio
   /dev/snd/controlC0:  udippel    1580 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: KDE
  Date: Thu Oct  1 11:40:36 2020
  InstallationDate: Installed on 2019-03-14 (566 days ago)
  InstallationMedia: Kubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  SourcePackage: pulseaudio
  UpgradeStatus: Upgraded to focal on 2020-09-29 (1 days ago)
  dmi.bios.date: 03/24/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N17ETB2W (2.12 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20CHS1KL00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: BT-56-001476
  dmi.chassis.type: 11
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN17ETB2W(2.12):bd03/24/2020:svnLENOVO:pn20CHS1KL00:pvrThinkPadHelix2nd:rvnLENOVO:rn20CHS1KL00:rvrSDK0E50510WIN:cvnLENOVO:ct11:cvrNone:
  dmi.product.family: ThinkPad Helix 2nd
  dmi.product.name: 20CHS1KL00
  dmi.product.sku: LENOVO_MT_20CH_BU_Think_FM_ThinkPad Helix 2nd
  dmi.product.version: ThinkPad Helix 2nd
  dmi.sys.vendor: LENOVO

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